var util = require('../../utils/util.js');
var api = require('../../config/api.js');
var app = getApp();

Page({
 data: {
  bannerInfo: {
   'imgUrl': '',
   'name': ''
  },
  categoryFilter: false,
  filterCategory: [],
  goodsList: [],
  categoryId: 0,
  currentSortType: 'default',
  currentSort: 'add_time',
  currentSortOrder: 'desc',
  page: 1,
  size: 100
 },
 getBanner: function() {
  let that = this;
  util.request(api.GoodsHot).then(function(res) {
   if (res.errno === 0) {
    that.setData({
     bannerInfo: res.data.bannerInfo,
    });
   }
  });
 },
 getCategoryList: function() {
  var that = this;

  util.request(api.GoodsFilter, {
    isHot: 1
   })
   .then(function(res) {
    if (res.errno === 0) {
     that.setData({
      filterCategory: res.data.filterCategoryList,
     });
    }
   });
 },
 getGoodsList: function() {
  var that = this;

  util.request(api.GoodsList, {
    isHot: true,
    page: that.data.page,
    size: that.data.size,
    order: that.data.currentSortOrder,
    sort: that.data.currentSort,
    categoryId: that.data.categoryId
   })
   .then(function(res) {
    if (res.errno === 0) {
     that.setData({
      goodsList: res.data.goodsList,
      filterCategory: res.data.filterCategoryList
     });
    }
   });

 },
 onLoad: function(options) {
  // 页面初始化 options为页面跳转所带来的参数
  this.getBanner();
  this.getGoodsList();
 },
 onReady: function() {
  // 页面渲染完成
 },
 onShow: function() {
  // 页面显示

 },
 onHide: function() {
  // 页面隐藏

 },
 onUnload: function() {
  // 页面关闭

 },
 openSortFilter: function(event) {
  let currentId = event.currentTarget.id;
  switch (currentId) {
   case 'categoryFilter':
    this.setData({
     categoryFilter: !this.data.categoryFilter,
     currentSortType: 'category',
     currentSort: 'add_time',
     currentSortOrder: 'desc'
    });
    break;
   case 'priceSort':
    let tmpSortOrder = 'asc';
    if (this.data.currentSortOrder == 'asc') {
     tmpSortOrder = 'desc';
    }
    this.setData({
     currentSortType: 'price',
     currentSort: 'retail_price',
     currentSortOrder: tmpSortOrder,
     categoryFilter: false
    });

    this.getGoodsList();
    break;
   default:
    //综合排序
    this.setData({
     currentSortType: 'default',
     currentSort: 'add_time',
     currentSortOrder: 'desc',
     categoryFilter: false,
     categoryId: 0,
    });
    this.getGoodsList();
  }
 },
 selectCategory: function(event) {
  let currentIndex = event.target.dataset.categoryIndex;
  this.setData({
   'categoryFilter': false,
   'categoryId': this.data.filterCategory[currentIndex].id
  });
  this.getGoodsList();
 }
})